CH521291A - Process for treating water exhibiting a biochemical demand for oxygen due to the presence of biochemically oxidizable material - Google Patents

Process for treating water exhibiting a biochemical demand for oxygen due to the presence of biochemically oxidizable material

Info

Publication number
CH521291A
CH521291A CH998570A CH998570A CH521291A CH 521291 A CH521291 A CH 521291A CH 998570 A CH998570 A CH 998570A CH 998570 A CH998570 A CH 998570A CH 521291 A CH521291 A CH 521291A
Authority
CH
Switzerland
Prior art keywords
treating water
oxidizable material
oxygen due
water exhibiting
biochemical demand
Prior art date
Application number
CH998570A
Other languages
French (fr)
Inventor
Ruben Mcwhirter John
Original Assignee
Union Carbide Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of CH521291A publication Critical patent/CH521291A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/20—Activated sludge processes using diffusers
    • C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
    • C02F3/207—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Activated Sludge Processes (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
CH998570A 1969-07-02 1970-07-01 Process for treating water exhibiting a biochemical demand for oxygen due to the presence of biochemically oxidizable material CH521291A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83849969A 1969-07-02 1969-07-02

Publications (1)

Publication Number Publication Date
CH521291A true CH521291A (en) 1972-04-15

Family

ID=25277242

Family Applications (1)

Application Number Title Priority Date Filing Date
CH998570A CH521291A (en) 1969-07-02 1970-07-01 Process for treating water exhibiting a biochemical demand for oxygen due to the presence of biochemically oxidizable material

Country Status (23)

Country Link
US (1) US3547814A (en)
JP (1) JPS4919586B1 (en)
AT (1) AT337115B (en)
BE (1) BE752082A (en)
CH (1) CH521291A (en)
CS (1) CS156474B2 (en)
DE (1) DE2032535C3 (en)
DK (1) DK131560C (en)
ES (1) ES381326A1 (en)
FI (1) FI54462C (en)
FR (1) FR2054077A5 (en)
GB (1) GB1325323A (en)
HK (1) HK74176A (en)
HU (1) HU168465B (en)
IL (1) IL34943A (en)
MY (1) MY7700096A (en)
NL (1) NL160789B (en)
NO (1) NO126855B (en)
PL (1) PL80971B1 (en)
RO (1) RO59585A (en)
SE (1) SE376900B (en)
YU (1) YU166170A (en)
ZA (1) ZA704499B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960717A (en) * 1972-01-20 1976-06-01 Air Products And Chemicals, Inc. Process for treating waste water
US3864246A (en) * 1973-01-24 1975-02-04 Air Prod & Chem Non-bulking activated sludge process
FR2235883B1 (en) * 1973-07-05 1977-11-18 Degremont Sa
CH568247A5 (en) * 1973-08-23 1975-10-31 Kaelin J R
US4073722A (en) * 1973-09-28 1978-02-14 Standard Oil Company (Indiana) Process for the purification of waste water
DE2535837C3 (en) * 1975-08-12 1984-09-13 Bayer Ag, 5090 Leverkusen Process for the biological treatment of wastewater in a cascade
CA1071777A (en) * 1975-09-24 1980-02-12 Air Products And Chemicals Activated sludge system with staggered partition basin
GB1596311A (en) * 1977-02-04 1981-08-26 Boc Ltd Process and apparatus for the bacterial sludge treatment of aqueous waste material
AU523598B2 (en) * 1977-11-04 1982-08-05 John Hager Reid Aeration ditch
US4374027A (en) * 1978-02-06 1983-02-15 International Telephone And Telegraph Corporation Process for the secondary treatment of wastewater
JPS54136755A (en) * 1978-04-15 1979-10-24 Osaka Gas Co Ltd Active sludge disposal process for waste water
CH674004A5 (en) * 1987-08-18 1990-04-30 Sulzer Ag Deodorisation of sewage smellsndex testing thermoplastic polymer - by passing to aeration basins and by burning waste air from latter
US4915840A (en) * 1988-06-07 1990-04-10 Bioprocess Engineering, Inc. Process for sludge reduction in an aerobic sludge generating waste treatment system
US5141646A (en) * 1991-03-12 1992-08-25 Environmental Resources Management, Inc. Process for sludge and/or organic waste reduction
US5348655A (en) * 1993-07-02 1994-09-20 Liquid Carbonic Corporation Method for increasing the capacity of sewage treatment plant
WO1999016716A1 (en) * 1997-09-16 1999-04-08 Krüger A/S A process for biological purification of waste water under sludge retention
US6299776B1 (en) 1997-12-23 2001-10-09 General Signal Corporation Biochemical oxidation system and process
US20040188334A1 (en) * 1998-09-28 2004-09-30 Mcwhirter John R. Novel biochemical oxidation system
US6783679B1 (en) 1999-10-19 2004-08-31 Pmc Technologies, Inc. Waste treatment process
DE10023652A1 (en) * 2000-05-13 2002-01-03 Messer Griesheim Gmbh Method and device for aerobic biological wastewater treatment
US7604783B2 (en) 2004-12-22 2009-10-20 Placer Dome Technical Services Limited Reduction of lime consumption when treating refractor gold ores or concentrates
US8061888B2 (en) * 2006-03-17 2011-11-22 Barrick Gold Corporation Autoclave with underflow dividers
US8252254B2 (en) 2006-06-15 2012-08-28 Barrick Gold Corporation Process for reduced alkali consumption in the recovery of silver
US20110281255A1 (en) 2010-05-11 2011-11-17 Pmc Biotec Company Biological process for converting organic by-products or wastes into renewable energy and usable products
CN114394664B (en) * 2022-03-28 2022-06-28 山东贝特尔环保科技有限公司 Waste water treatment device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1286017A (en) * 1915-10-18 1918-11-26 Walter Jones Purification of sewage and analogous liquids.
GB415775A (en) * 1933-03-02 1934-09-03 James Alger Coombs Method of and means for treating and purifying sewage
US2324593A (en) * 1938-01-29 1943-07-20 Persson Alef Ruben Method for the purification of sewage
US2380465A (en) * 1939-02-14 1945-07-31 Chester F Proudman System of aeration
US2666740A (en) * 1947-12-04 1954-01-19 Gordon Arthur Method for purification of sewage
US3054602A (en) * 1958-05-05 1962-09-18 Chester F Produman Apparatus for treatment of sewage
US3151063A (en) * 1960-01-06 1964-09-29 Denver Equip Co Aerobic process for stabilization of sewage sludge
GB1149511A (en) * 1965-06-17 1969-04-23 Carves Simon Ltd Improvements in or relating to sewage treatment
US3355023A (en) * 1965-08-25 1967-11-28 Union Tank Car Co Sewage treatment system
US3342727A (en) * 1965-12-06 1967-09-19 Victor A Bringle Method of and system for sewage treatment
US3356609A (en) * 1966-05-03 1967-12-05 United Carbide Corp Aerobic treatment of sewage
US3401113A (en) * 1966-07-11 1968-09-10 Petro Tex Chem Corp Waste treatment process
US3462275A (en) * 1968-01-31 1969-08-19 Gen Electric Waste conversion process and product

Also Published As

Publication number Publication date
DE2032535B2 (en) 1973-05-03
YU166170A (en) 1982-06-18
SE376900B (en) 1975-06-16
US3547814A (en) 1970-12-15
MY7700096A (en) 1977-12-31
FR2054077A5 (en) 1971-04-16
NL160789B (en) 1979-07-16
ZA704499B (en) 1971-07-28
DE2032535C3 (en) 1979-09-06
JPS4919586B1 (en) 1974-05-18
NL7009738A (en) 1971-01-05
IL34943A0 (en) 1970-09-17
PL80971B1 (en) 1975-08-30
FI54462B (en) 1978-08-31
HU168465B (en) 1976-04-28
DK131560B (en) 1975-08-04
RO59585A (en) 1976-06-15
AT337115B (en) 1977-06-10
NO126855B (en) 1973-04-02
BE752082A (en) 1970-12-16
ES381326A1 (en) 1973-04-01
DK131560C (en) 1976-01-05
FI54462C (en) 1978-12-11
GB1325323A (en) 1973-08-01
DE2032535A1 (en) 1971-01-07
CS156474B2 (en) 1974-07-24
IL34943A (en) 1983-11-30
HK74176A (en) 1976-12-03

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Legal Events

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